A man arrested in a gangrape case in Goa escaped from police custody in Panaji on Monday when he was taken to a TB hospital for treatment, police said.

Ishwar Makwana, along with two other men, was arrested from Madhya Pradesh by Goa Police, in May for allegedly raping a 20-year-old woman in presence of her male friend, at a Betalbatim Beach in South Goa district.